Home / 21,090,760.26-31,629,663.66-7,440,714.44

Finding the Fourth Proportional to 21,090,760.26, 31,629,663.66 and 7,440,714.44

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Solution

The fourth proportional to 21,090,760.26, 31,629,663.66 and 7,440,714.44 is: 11,158,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,760.26 : 31,629,663.66 = 7,440,714.44 : x
  2. Step 2: Convert to fraction form
    21,090,760.26/31,629,663.66 = 7,440,714.44/x
  3. Step 3: Cross multiply
    21,090,760.26x = 31,629,663.66 × 7,440,714.44
  4. Step 4: Simplify right side
    21,090,760.26x = 235,347,294,969,156.91
  5. Step 5: Solve for x
    x = 235,347,294,969,156.91/21,090,760.26
  6. Step 6: Final answer
    x = 11,158,786.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.